<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        div {
            width: 100px;
            height: 100px;
            padding:10px;
            margin: 20px;
            border: 1px solid #000;

        }
    </style>
</head>
<body>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</body>
<script src="js/itcast.core.js"></script>
<script src="js/itcast.dom.js"></script>
<script src="05-itcast.ctor.js"></script>
<script>
  /*  var divs = I( 'div').get();
    var iObj = I( divs[0] );
    console.log(divs);*/


  var iObj1 = I('div');
  var iObj2 = I( iObj1 );





</script>
</html>